masahi commented on a change in pull request #8048:
URL: https://github.com/apache/tvm/pull/8048#discussion_r632778226
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File path: src/target/spirv/ir_builder.cc
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@@ -186,13 +215,14 @@ Value IRBuilder::FloatImm(const SType& dtype, double
value) {
Value IRBuilder::BufferArgument(const SType& value_type, uint32_t
descriptor_set,
uint32_t binding) {
- // NOTE: BufferBlock was deprecated in SPIRV 1.3
- // use StorageClassStorageBuffer instead.
-#if SPV_VERSION >= 0x10300
- spv::StorageClass storage_class = spv::StorageClassStorageBuffer;
-#else
- spv::StorageClass storage_class = spv::StorageClassUniform;
-#endif
+ // If SPIRV 1.3+, or with extension SPV_KHR_storage_buffer_storage_class,
BufferBlock is
+ // deprecated.
+ spv::StorageClass storage_class;
+ if (spirv_support_.supports_storage_buffer_storage_class) {
+ storage_class = spv::StorageClassStorageBuffer;
+ } else {
+ storage_class = spv::StorageClassUniform;
+ }
Review comment:
Does this mean newer spirv uses uniform buffer exclusively? Is that ok
given the limit on uniform buffer size.
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